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US 11,910,158 B2Granted
Vibration device and apparatus including the same
AssigneeLG Display Co., Ltd.
InventorsYoungWook Ha, SeungRyull Park, Chiwan Kim, Sungwook Ko
Life of this patent
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Abstract
A vibration device can include a vibration portion; a first electrode portion disposed on a first surface of the vibration portion; and a second electrode portion disposed on a second surface of the vibration portion, in which each of the first and second electrode portions include at least one of a conductive metal particle and a carbon particle.
Claims38
A vibration device, comprising:
- a vibration portion;
- a first electrode portion disposed on a first surface of the vibration portion;
- and
- a second electrode portion disposed on a second surface of the vibration portion,
- wherein each of the first and second electrode portions includes a piezoelectric nanoparticle and at least one of a conductive metal particle and a carbon particle.
2 more elements
A vibration device, comprising:
- a vibration portion;
- a first electrode portion disposed on a first surface of the vibration portion;
- and
- a second electrode portion disposed on a second surface of the vibration portion,
- wherein each of the first and second electrode portions includes at least one of a conductive metal particle and a carbon particle,
- wherein the vibration portion includes:
- a plurality of inorganic vibration portions, each of the plurality of inorganic vibration portions including a piezoelectric material;
- and
- an organic vibration portion disposed between at least two of the plurality of inorganic vibration portions,
- wherein each of the first electrode portion and the second electrode portion is configured as a single layer, and
- wherein each of the first electrode portion and the second electrode portion includes a conductive metal nanoparticle and a piezoelectric nanoparticle.
8 more elements
A vibration device, comprising:
- a vibration portion;
- a first electrode portion disposed on a first surface of the vibration portion;
- and
- a second electrode portion disposed on a second surface of the vibration portion,
- wherein each of the first and second electrode portions includes at least one of a conductive metal particle and a carbon particle,
- wherein the vibration portion includes:
- a plurality of inorganic vibration portions, each of the plurality of inorganic vibration portions including a piezoelectric material;
- and
- an organic vibration portion disposed between at least two of the plurality of inorganic vibration portions, and
- wherein the first electrode portion includes:
- a first layer disposed adjacent to the vibration portion, the first layer including a carbon particle and a piezoelectric nanoparticle;
- and
- a second layer disposed at the first layer, the second layer including a conductive metal flake particle.
10 more elements
A vibration device, comprising:
- a vibration portion;
- a first electrode portion disposed on a first surface of the vibration portion;
- and
- a second electrode portion disposed on a second surface of the vibration portion,
- wherein each of the first and second electrode portions includes at least one of a conductive metal particle and a carbon particle,
- wherein the vibration portion includes:
- a plurality of inorganic vibration portions, each of the plurality of inorganic vibration portions including a piezoelectric material;
- and
- an organic vibration portion disposed between at least two of the plurality of inorganic vibration portions,
- wherein at least one of a first layer of the first electrode portion and a first layer of the second electrode portion includes:
- a first portion overlapping with at least one of the plurality of inorganic vibration portion;
- and
- a second portion overlapping with the organic vibration portion,
- wherein the first portion includes at least one of a carbon particle and a piezoelectric nanoparticle, and
- the second portion includes at least one of an organic material, an organic polymer, an organic piezoelectric material, and an organic non-piezoelectric material.
12 more elements
A vibration device, comprising:
- a first electrode portion;
- a first vibration portion disposed on a rear surface of the first electrode portion;
- a third electrode portion disposed on a rear surface of the first vibration portion;
- a second vibration portion disposed on a rear surface of the third electrode portion;
- and
- a second electrode portion disposed on a rear surface of the second vibration portion,
- wherein the first vibration portion and the second vibration portion have mutually opposite poling directions, and
- wherein each of the first electrode portion and the second electrode portion includes a piezoelectric nanoparticle.
5 more elements
Dependencies are inferred from the claim text.